Company Introduction

Company Introduction

Mcneil Instruments is a trusted name in the global steel and metal industry, delivering premium-quality products and customized solutions to meet diverse industrial needs. With a strong presence in the UAE and across international markets, we specialize in manufacturing and supplying stainless steel pipes, tubes, flanges, fasteners, and other high-performance metal products.

Our commitment to quality, innovation, and customer satisfaction sets us apart. Backed by years of industry expertise, we adhere to international standards and ensure precision engineering in every product we deliver. At Mcneil Steel & Alloys FZE, we aim to build long-lasting relationships with clients by providing reliable, durable, and cost-effective solutions for industries such as oil & gas, construction, marine, and petrochemicals.

Countersunk Flat Head Screw

What is a Countersunk Flat Head Screw?

A Countersunk Flat Head Screw is a type of fastener designed with a flat top surface and a conical underside that allows it to sit flush with or below the surface of the surrounding material once fully driven in. The screw head is typically angled at 82°, 90°, or 100°, depending on the application. It is commonly used where a smooth, even finish is essential, helping prevent protrusions that could interfere with moving parts or aesthetics.

Key Features of Countersunk Flat Head Screw:

  • Flush Finish: Designed to sit level with or below the surface, creating a neat, smooth appearance.
  • Conical Underside: Helps the screw self-center in pre-drilled countersunk holes.
  • Flat Top: Allows easy concealment or painting over in finished products.
  • Drive Types: Available in Phillips, slotted, Torx, or hex socket drives.
  • Material Options: Made from stainless steel, carbon steel, brass, or alloy steel with protective coatings.
  • Angle Variations: Offered in standard angles like 82° and 90° to match specific applications.

Common Uses of Countersunk Flat Head Screw:

  • Woodworking and Furniture: Ensures a flush finish in cabinets, tables, and shelves.
  • Metal Fabrication: Used in sheet metal applications requiring smooth surfaces.
  • Automotive and Aerospace: Ideal where reduced drag or clean surface contact is necessary.
  • Electronics and Appliances: Used to secure panels and enclosures cleanly.
  • Architectural Fixtures: Useful in designs requiring flush mounting and sleek aesthetics.
Screw Specifications

Screw Specifications

Overview
Size & Dimensions
Standards
Strength Grades
Materials
Applications
ProductScrews – Machine, Wood, Self-Tapping, Socket Head, Countersunk, etc.
Head StylesHex, Pan, Round, Flat, Oval, Button, Truss
Drive TypesSlotted, Phillips, Pozi, Torx, Hex Socket, Combination
Thread TypesMetric (ISO), UNC, UNF, BSW, BA, BSF
Standard RangeM1.6 to M100 / #0 to 2” (Inch)
Length2 mm to 500 mm (or customized)
Thread PitchFine / Coarse / Custom
ISO ISO 898 – Mechanical properties
ISO 4762 – Hex socket head cap screws
ISO 4014 / 4017 – Hex head screws
ISO 7045 / 7046 / 7047 – Phillips/Pozi screws
DIN DIN 933 – Hex head screws
DIN 912 – Hex socket screws
DIN 7985 – Cross recessed pan head screws
DIN 84 – Slotted machine screws
ANSI / ASME ASME B18.2.1 – Square & hex bolts/screws
ASME B18.3 – Socket screws
ASME B18.6.3 – Machine/tapping screws
ASME B1.1 – UNC/UNF threads
BS BS 4183 – Cheese head screws
BS 3643 – Metric threads
BS 2470 / 2471 – Wood screws
JIS JIS B1180 – Metric hex bolts/screws
JIS B1111 – Machine screws
JIS B1122 – Socket head screws
Thread Types ISO 261 / ISO 965 – Metric threads
ANSI B1.1 – UNC/UNF
BSW, BSF, BA – British standards (mostly obsolete)
Metric GradesISO 8.8, 10.9, 12.9 – Tensile strength based
SAE GradesGrade 2 (low), Grade 5 (medium), Grade 8 (high strength)
Other SpecsASTM A193, A320, A307 (for bolts and screws in high-temp or structural applications)
Stainless Steel304, 316, 316L, 321, 347, etc.
Carbon SteelLow, medium, and high carbon steels with or without plating
Alloy SteelHigh strength alloys like 4140, EN19, EN24
Other AlloysBrass, Copper, Aluminum, Titanium, Inconel, Monel, Hastelloy
Industries Automotive, Aerospace, Construction, Electronics, Furniture, Oil & Gas, Marine, Railway, General Engineering
Common Uses Assembly, Mounting, Structural fastening, Mechanical joins, Surface finishing, Vibration resistance
Most Selling Types Of Screws

Most Selling Types Of Screws

Wood Screw Wood Screw Set Screw Set Screw Hex Socket Cap Screw Hex Socket Cap Screw Pan Head Screw Pan Head Screw Self Drilling Screw Self Drilling Screw T Head Screw T Head Screw Butterfly Screw Butterfly Screw Hex Cap Screw Hex Cap Screw Countersunk Flat Head Screw Countersunk Flat Head Screw Countersunk Head Screw Countersunk Head Screw Oval Head Screw Oval Head Screw
Countersunk Flat Head Screw Export Countries

Countersunk Flat Head Screw Manufacturer, Supplier, Exporter in Countries

Country Country Country Country
Countersunk Flat Head Screw Exporter in Kuwait Countersunk Flat Head Screw Exporter in India Countersunk Flat Head Screw Exporter in Oman Countersunk Flat Head Screw Exporter in Iran
Countersunk Flat Head Screw Exporter in Qatar Countersunk Flat Head Screw Exporter in China Countersunk Flat Head Screw Exporter in UAE Countersunk Flat Head Screw Exporter in Africa
Countersunk Flat Head Screw Exporter in Turkey Countersunk Flat Head Screw Exporter in Mexico Countersunk Flat Head Screw Exporter in Canada Countersunk Flat Head Screw Exporter in Malaysia
Countersunk Flat Head Screw Exporter in Saudi Arabia Countersunk Flat Head Screw Exporter in Brazil Countersunk Flat Head Screw Exporter in USA Countersunk Flat Head Screw Exporter in Sri Lanka
Countersunk Flat Head Screw Exporter in Australia Countersunk Flat Head Screw Exporter in Nigeria Countersunk Flat Head Screw Exporter in 85+ countries
Countersunk Flat Head Export Countries

Manufacturer & Exporter of Countersunk Flat Head in the Following Countries

Country Country Country Country Country
Saudi Arabia Kazakhstan Zimbabwe Netherlands India
Afghanistan Belgium UAE Israel Europe
New Zealand Mexico Canada Venezuela United Kingdom
United States South Africa Malaysia Poland Germany
Singapore Sri Lanka Australia Brazil Ireland